扩展堆叠【自定义堆叠，自定义部分属性】/Extension Stack [Custom stack size, and custom some attribute]
Mods introducing new content into the game.
Counted when a user downloads a mod release for the first time. Before Nov 2021 it counted everytime a user clicked the mods download button.
Counted when a user downloads a mod for the first time. Has no data before Dec 2022